Wisconsin Groundwater Facts

Wisconsin has approximately 1.2 quadrillion gallons of groundwater.Over 70% of Wisconsin residents use groundwater as their main source of water.Total Groundwater use in Wisconsin totals about 1,073 million gallons per day.Wisconsin has about 850,000 private wells.Wisconsin has over 12,000 public water systems including over 600 municipal water systemsRainfall over Wisconsin averages 32 inches annually but only 6-10 inches of it soaks in to become groundwater.